CA1306326C - Powders of tetrafluoroethylene copolymer and process for preparing the same - Google Patents

Powders of tetrafluoroethylene copolymer and process for preparing the same

Info

Publication number
CA1306326C
CA1306326C CA000554918A CA554918A CA1306326C CA 1306326 C CA1306326 C CA 1306326C CA 000554918 A CA000554918 A CA 000554918A CA 554918 A CA554918 A CA 554918A CA 1306326 C CA1306326 C CA 1306326C
Authority
CA
Canada
Prior art keywords
powder
copolymer
tetrafluoroethylene
average particle
particle size
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000554918A
Other languages
English (en)
French (fr)
Inventor
Tatsushiro Yoshimura
Nobuyuki Tomihashi
Shuhei Simasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Application granted granted Critical
Publication of CA1306326C publication Critical patent/CA1306326C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/02Making granules by dividing preformed material
    • B29B9/04Making granules by dividing preformed material in the form of plates or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/122Pulverisation by spraying
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18Homopolymers or copolymers of tetrafluoroethylene
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA000554918A 1986-12-22 1987-12-21 Powders of tetrafluoroethylene copolymer and process for preparing the same Expired - Lifetime CA1306326C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30713186 1986-12-22
JP307131/1986 1986-12-22

Publications (1)

Publication Number Publication Date
CA1306326C true CA1306326C (en) 1992-08-11

Family

ID=17965400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000554918A Expired - Lifetime CA1306326C (en) 1986-12-22 1987-12-21 Powders of tetrafluoroethylene copolymer and process for preparing the same

Country Status (6)

Country Link
US (2) US4898779A (de)
EP (1) EP0272659B1 (de)
JP (1) JPH075743B2 (de)
KR (1) KR950005998B1 (de)
CA (1) CA1306326C (de)
DE (1) DE3787628T2 (de)

Families Citing this family (40)

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DE69326979T2 (de) * 1992-02-05 2000-04-20 Daikin Industries, Ltd. Polytetrafluoräthylenformpulver
US5709944A (en) * 1992-02-05 1998-01-20 Daikin Industries, Ltd. Polytetrafluoroethylene molding powder
WO1994002546A1 (en) * 1992-07-21 1994-02-03 E.I. Du Pont De Nemours And Company Impact resistant polytetrafluoroethylene and preparation thereof
DE4331971A1 (de) * 1993-09-21 1995-03-23 Hoechst Ag Polytetrafluorethylen-Mikropulver, ihre Herstellung und Verwendung
US5968642A (en) * 1993-12-22 1999-10-19 Dupont-Mitsui Fluorochemicals Co., Ltd. Article having a water-repellent fluororesin surface, and method for manufacturing the same
JP3074142B2 (ja) * 1996-04-22 2000-08-07 株式会社セイシン企業 弗素樹脂の表面塗膜を形成する複合粉末及びその製造法
EP0896017B1 (de) * 1996-04-24 2002-12-04 Daikin Industries, Limited Fluorpolymerpulver und verfahren zu seiner herstellung
US5827608A (en) * 1996-10-28 1998-10-27 Minnesota Mining And Manufacturing Company Method of forming a thermoplastic layer on a flexible two-dimensional substrate and powder for preparing same
CN1255085A (zh) * 1997-03-17 2000-05-31 大金工业株式会社 改性聚四氟乙烯模制品的接合成形方法
KR20010041763A (ko) 1998-03-11 2001-05-25 스프레이그 로버트 월터 접착제 층 위에 열가소성 층을 형성하는 형성 방법
US5863875A (en) * 1998-06-24 1999-01-26 The Lubrizol Corporation Coating additive, coating composition containing said additive and method for coating a substrate using said coating composition
US6737165B1 (en) 1998-08-06 2004-05-18 Omlidon Technologies Llc Melt-processible poly(tetrafluoroethylene)
US7276287B2 (en) * 2003-12-17 2007-10-02 Eidgenössische Technische Hochschule Zürich Melt-processible poly(tetrafluoroethylene)
US6531559B1 (en) 1998-08-06 2003-03-11 Eidgenössische Technische Hochschule Zürich Melt-processible poly (tetrafluoroethylene)
JP2000229388A (ja) * 1999-02-09 2000-08-22 Du Pont Mitsui Fluorochem Co Ltd 熱溶融性フッ素樹脂被覆ポリテトラフルオロエチレン成形体
IT1318595B1 (it) 2000-06-23 2003-08-27 Ausimont Spa Microsfere di copolimeri termoprocessabili del tetrafluoroetilene.
US7094838B2 (en) 2001-04-26 2006-08-22 Daikin Industries, Ltd. Fluorine-containing polymer powder and method for production thereof and coated article
JP2008133952A (ja) * 2001-04-26 2008-06-12 Daikin Ind Ltd フッ素系重合体粉末被覆オフィスオートメーション機器用ロール
WO2003006566A1 (fr) * 2001-06-18 2003-01-23 Daikin Industries, Ltd. Matiere de revetement en poudre
JP5135658B2 (ja) 2001-08-02 2013-02-06 ダイキン工業株式会社 ポリテトラフルオロエチレンファインパウダー、それから得られるポリテトラフルオロエチレン成形体およびその製造方法
WO2004102714A1 (ja) 2003-05-13 2004-11-25 Asahi Glass Company, Limited 固体高分子型燃料電池用電解質ポリマー、その製造方法及び膜・電極接合体
JP2006527074A (ja) * 2003-06-06 2006-11-30 アクゾ ノーベル コーティングス インターナショナル ビー ヴィ 非こげ付き性粉体コーティング
US7588710B2 (en) * 2004-05-04 2009-09-15 Minuta Technology Co., Ltd. Mold made of amorphous fluorine resin and fabrication method thereof
JP4614080B2 (ja) * 2004-06-14 2011-01-19 日立工機株式会社 電動工具
EP1798793B1 (de) 2004-08-18 2012-04-11 Asahi Glass Company, Limited Elektrolyt-polymer für eine brennstoffzelle, verfahren zu seiner herstellung, elektrolytmembran und membranelektrodenbaugruppe
US7342081B2 (en) 2004-12-28 2008-03-11 3M Innovative Properties Company Fluoropolymer compositions, coated articles, and method of making the same
AU2006220816A1 (en) 2005-03-04 2006-09-14 President And Fellows Of Harvard College Method and apparatus for forming multiple emulsions
ES2314921T3 (es) * 2005-05-06 2009-03-16 Akzo Nobel Coatings International Bv Capa base de revestimiento en polvo.
EP2069444B1 (de) 2006-10-03 2009-12-09 3M Innovative Properties Company Mehrschichtige artikel und verfahren zur erhöhung ihrer ablöselebensdauer
WO2008058297A2 (en) * 2006-11-10 2008-05-15 Harvard University Non-spherical particles
WO2010033200A2 (en) 2008-09-19 2010-03-25 President And Fellows Of Harvard College Creation of libraries of droplets and related species
US9868877B2 (en) 2009-06-30 2018-01-16 Daikin Industries, Ltd. Composition and method for producing the same, and powder coating material, pellet, resin formed article, and electric wire
US20120211084A1 (en) 2009-09-02 2012-08-23 President And Fellows Of Harvard College Multiple emulsions created using jetting and other techniques
KR20140034242A (ko) 2011-05-23 2014-03-19 프레지던트 앤드 펠로우즈 오브 하바드 칼리지 다중 에멀젼을 포함하는 에멀젼의 제어
EP3120923A3 (de) 2011-07-06 2017-03-01 President and Fellows of Harvard College Artikel mit partikel, die eine schale und eine flüssigkeit enthalten
EP3065712A4 (de) 2013-11-08 2017-06-21 President and Fellows of Harvard College Mikropartikel, verfahren zu deren herstellung und verwendung
AU2016338907B2 (en) 2015-10-13 2022-07-07 President And Fellows Of Harvard College Systems and methods for making and using gel microspheres
CN113891766B (zh) 2019-05-31 2022-12-06 大金工业株式会社 乙烯/四氟乙烯共聚物涂料用底漆
JPWO2023277137A1 (de) * 2021-06-30 2023-01-05
JP7265192B2 (ja) 2021-07-21 2023-04-26 ダイキン工業株式会社 粉体塗料組成物

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484503A (en) * 1967-06-19 1969-12-16 Du Pont Blends of fluorinated polymers
US3655611A (en) * 1968-08-09 1972-04-11 Allied Chem Cold flow resistant homogeneous polymers of tetrafluoroethylene and hexafluoropropene and process for preparing them
US4001351A (en) * 1975-04-03 1977-01-04 E. I. Du Pont De Nemours And Company Process for preparing tetrafluoroethylene-hexafluoropropylene copolymer blends
US3969435A (en) * 1975-04-03 1976-07-13 E. I. Du Pont De Nemours And Company Process for finishing tetrafluoroethylene-hexafluoropropylene copolymers
JPS6023689B2 (ja) * 1976-02-17 1985-06-08 ダイキン工業株式会社 テトラフルオロエチレン/ヘキサフルオロプロピレン共重合体の製造方法
US4248763A (en) * 1978-07-22 1981-02-03 Daikin Kogyo Co., Ltd. Fluorine-containing resin composition having improved thermal stability
US4220511A (en) * 1979-03-12 1980-09-02 Radiation Dynamics, Inc. Treatment of sintered poly-tetrafluoroethylene with irradiation and heat to produce a grindable material
DE3110193A1 (de) * 1980-06-06 1982-09-30 Hoechst Ag, 6000 Frankfurt "verbessertes verfahren zur herstellung von modifiziertem tetrafluorethylen-polymerisatpulver mit hohem schuettgewicht und guter rieselfaehigkeit"
US4312961A (en) * 1981-01-05 1982-01-26 The Duriron Company, Inc. Polymeric fluorocarbon rotomolding/rotolining composition
JPS5853960A (ja) * 1981-09-28 1983-03-30 Daikin Ind Ltd フツ素樹脂被覆用組成物
JPS58174407A (ja) * 1982-03-08 1983-10-13 Daikin Ind Ltd 押出性の改良された含フツ素共重合体
IT1183531B (it) * 1985-03-29 1987-10-22 Montefluos Spa Composizioni granulari scorrevoli a base di fluoro-elastomeri
JPS6289711A (ja) * 1985-05-09 1987-04-24 Mitsubishi Rayon Co Ltd アクリロニトリル系重合体微粒子集合体及びその製造法
US4743658A (en) * 1985-10-21 1988-05-10 E. I. Du Pont De Nemours And Company Stable tetrafluoroethylene copolymers
US4714756A (en) * 1985-10-23 1987-12-22 E. I. Du Pont De Nemours And Company Process for preparing melt processible tetrafluoroethylene copolymer granules
US4742122A (en) * 1985-10-25 1988-05-03 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
US4675380A (en) * 1985-10-25 1987-06-23 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them
US4687708A (en) * 1986-06-26 1987-08-18 E. I. Du Pont De Nemours And Company High build fluorocarbon polymer dispersions and their preparation

Also Published As

Publication number Publication date
US4898779A (en) 1990-02-06
EP0272659A2 (de) 1988-06-29
EP0272659B1 (de) 1993-09-29
EP0272659A3 (en) 1989-10-25
JPH075743B2 (ja) 1995-01-25
US4977221A (en) 1990-12-11
KR950005998B1 (ko) 1995-06-07
KR880007582A (ko) 1988-08-27
DE3787628D1 (de) 1993-11-04
JPS63270740A (ja) 1988-11-08
DE3787628T2 (de) 1994-03-10

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Effective date: 20040811